Headphone



FIG. 1 is a front perspective view of a first embodiment of a headphone showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a left view thereof;

FIG. 8 is a rear perspective view thereof;

FIG. 9 is a front perspective view of a second embodiment of a headphone showing our new design;

FIG. 10 is a front view thereof;

FIG. 11 is a back view thereof;

FIG. 12 is a top view thereof;

FIG. 13 is a bottom view thereof;

FIG. 14 is a right view thereof;

FIG. 15 is a left view thereof;

FIG. 16 is a rear perspective view thereof;

FIG. 17 is a front perspective view of a third embodiment of a headphone showing our new design;

FIG. 18 is a front view thereof;

FIG. 19 is a back view thereof;

FIG. 20 is a top view thereof;

FIG. 21 is a bottom view thereof;

FIG. 22 is a right view thereof;

FIG. 23 is a left view thereof; and,

FIG. 24 is a rear perspective view thereof. 

CLAIM The ornamental design for a headphone, as shown and described. 